Where: Russian Federation (42.6° N, 46.9° E: paleocoordinates 38.1° N, 52.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Tsudakhar Formation, Humphresianum to Humphresianum (171.6 - 167.7 Ma)
• Blagdeni subzone (Humphriesianum zone) - Subfurcatum zone
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified lithology not reported
Size class: macrofossils
Collection methods: Repository: Vserossiyskiy Nauchno-Issledovatel'skiy Geologicheskiy Neftyanoy Institut (VNIGRI)
Primary reference: N. V. Besnosov and V. V. Mitta. 1993. Pozdnebayosskie i Batskie Ammonitidy Severnogo Kavkaza i Sredney Azii 1-347 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 187409: authorized by Matthew Clapham, entered by Matthew Clapham on 25.07.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Oppelia (Oppelia) subradiata d'Orbigny 1823 ammonite
Oppelia (Oppelia) flexa Buckman 1924 ammonite
Oppelia (Oecotraustes) gratus n. sp. Mitta 1993 ammonite | |
Sphaeroceras brongniarti Sowerby 1818 ammonite |